-Susan, did Prince William get married to Kate Middleton on April 29, 2011?

-Yes, he ______ for nearly a year.[ ]

A. has married

B. has been married

C. has got married

D. was married

以下属于对外贸易的作用的是（）

A.促进国民经济协调发展

B.推动国民生产的发展

C.提高科学技术水平

D.增加财政收入和外汇收入

E.丰富国内市场供应